It is important to know what you have and, often more importantly, what you DO NOT have
"I'm curious what a new version of Foundations would even entail?"
For example, I would never take Healing Glow and White Rabbit's Pocket Watch highly, and I would often choose not to add them to my Limited deck
While the 6% markdown barely moves the needle, you can hope and pray to find stellar cards like Ouroboroid

Other printings of Energy Flux $420.00 Energy Flux Summer Magic / Edgar $19.00 Energy Flux Mercadian Masques $6.16 Energy Flux Mystery Booster 2 Energy Flux Masters Edition IV $8.09 Energy Flux Antiquities $6.00 Energy Flux Fourth Edition Foreign Black Border $2.00 Energy Flux Introductory Two-Player Set $1.20 Energy Flux Foreign Black Border Most valuable cards in Fourth Edition View the full price guide $62.77 Mana Vault Fourth Edition $25.94 Sylvan Library Fourth Edition $23.48 Land Tax Fourth Edition $16.41 Armageddon Fourth Edition $16.39 Strip Mine Fourth Edition $11.32 Stasis Fourth Edition $10.82 Winter Orb Fourth Edition $10.14 Meekstone Fourth Edition More cards by Kaja Foglio $2,899.99 Mishra's Workshop Antiquities $703.96 Primal Clay Summer Magic / Edgar $389.87 Shahrazad Arabian Nights $375.32 Eureka Legends $132.49 Field of Dreams Legends $102.13 Sorceress Queen Arabian Nights $56.20 Al-abara's Carpet Legends $46.60 Sylvan Tutor Portal Discover Keep browsing SetFourth Edition Most valuableTop 100 Magic: The Gathering cards You might also like...

Despite being a bit clunky, its a solid deck that shows us just how powerful Location cards are when used with the right strategy